#39905 Product Removed on Mobile Still Appears in Web's Mini Compare Section Until Re-login

Integrates the Product Compare helper across compare list resolvers to trigger updates after adding, removing, or creating compare lists. Also forces a reload of compare product data on the frontend to maintain accuracy.

Author: KrasnoshchokBohdan

app/code/Magento/Catalog/view/frontend/web/js/view/compare-products.js

@@ -46,6 +46,10 @@ define([
                 customerData.reload(['compare-products'], false);
                 compareProductsReloaded = true;
             }
+
+            // Force reload on page load
+            customerData.reload(['compare-products'], false);
+
             initSidebar();
         }
     });

app/code/Magento/CompareListGraphQl/Model/Resolver/AddProductsToCompareList.php

@@ -7,10 +7,12 @@
 
 namespace Magento\CompareListGraphQl\Model\Resolver;
 
+use Magento\Catalog\Helper\Product\Compare;
 use Magento\Catalog\Model\MaskedListIdToCompareListId;
 use Magento\CompareListGraphQl\Model\Service\AddToCompareList;
 use Magento\CompareListGraphQl\Model\Service\Customer\GetListIdByCustomerId;
 use Magento\CompareListGraphQl\Model\Service\GetCompareList;
+use Magento\Framework\App\ObjectManager;
 use Magento\Framework\Exception\LocalizedException;
 use Magento\Framework\GraphQl\Config\Element\Field;
 use Magento\Framework\GraphQl\Exception\GraphQlInputException;
@@ -44,22 +46,31 @@ class AddProductsToCompareList implements ResolverInterface
      */
     private $getListIdByCustomerId;
 
+    /**
+     * @var Compare
+     */
+    private mixed $productCompareHelper;
+
     /**
      * @param AddToCompareList $addProductToCompareList
      * @param GetCompareList $getCompareList
      * @param MaskedListIdToCompareListId $maskedListIdToCompareListId
      * @param GetListIdByCustomerId $getListIdByCustomerId
+     * @param Compare|null $productCompareHelper
      */
     public function __construct(
         AddToCompareList $addProductToCompareList,
         GetCompareList $getCompareList,
         MaskedListIdToCompareListId $maskedListIdToCompareListId,
-        GetListIdByCustomerId $getListIdByCustomerId
+        GetListIdByCustomerId $getListIdByCustomerId,
+        ?Compare $productCompareHelper = null
     ) {
         $this->addProductToCompareList = $addProductToCompareList;
         $this->getCompareList = $getCompareList;
         $this->maskedListIdToCompareListId = $maskedListIdToCompareListId;
         $this->getListIdByCustomerId = $getListIdByCustomerId;
+        $this->productCompareHelper = $productCompareHelper ?: ObjectManager::getInstance()
+            ->get(Compare::class);
     }
 
     /**
@@ -104,6 +115,7 @@ public function resolve(
 
         try {
             $this->addProductToCompareList->execute($listId, $args['input']['products'], $context);
+            $this->productCompareHelper->calculate();
         } catch (\Exception $exception) {
             throw new GraphQlInputException(__($exception->getMessage()));
         }

app/code/Magento/CompareListGraphQl/Model/Resolver/CreateCompareList.php

@@ -7,10 +7,12 @@
 
 namespace Magento\CompareListGraphQl\Model\Resolver;
 
+use Magento\Catalog\Helper\Product\Compare;
 use Magento\CompareListGraphQl\Model\Service\AddToCompareList;
 use Magento\CompareListGraphQl\Model\Service\CreateCompareList as CreateCompareListService;
 use Magento\CompareListGraphQl\Model\Service\Customer\GetListIdByCustomerId;
 use Magento\CompareListGraphQl\Model\Service\GetCompareList;
+use Magento\Framework\App\ObjectManager;
 use Magento\Framework\Exception\LocalizedException;
 use Magento\Framework\GraphQl\Config\Element\Field;
 use Magento\Framework\GraphQl\Exception\GraphQlInputException;
@@ -50,25 +52,34 @@ class CreateCompareList implements ResolverInterface
      */
     private $createCompareList;
 
+    /**
+     * @var Compare
+     */
+    private mixed $productCompareHelper;
+
     /**
      * @param Random $mathRandom
      * @param GetListIdByCustomerId $getListIdByCustomerId
      * @param AddToCompareList $addProductToCompareList
      * @param GetCompareList $getCompareList
      * @param CreateCompareListService $createCompareList
+     * @param Compare|null $productCompareHelper
      */
     public function __construct(
         Random $mathRandom,
         GetListIdByCustomerId $getListIdByCustomerId,
         AddToCompareList $addProductToCompareList,
         GetCompareList $getCompareList,
-        CreateCompareListService $createCompareList
+        CreateCompareListService $createCompareList,
+        ?Compare $productCompareHelper = null
     ) {
         $this->mathRandom = $mathRandom;
         $this->getListIdByCustomerId = $getListIdByCustomerId;
         $this->addProductToCompareList = $addProductToCompareList;
         $this->getCompareList = $getCompareList;
         $this->createCompareList = $createCompareList;
+        $this->productCompareHelper = $productCompareHelper ?: ObjectManager::getInstance()
+            ->get(Compare::class);
     }
 
     /**
@@ -111,6 +122,7 @@ public function resolve(
                 } else {
                     $listId = $this->createCompareList->execute($generatedListId, $customerId);
                     $this->addProductToCompareList->execute($listId, $products, $context);
+                    $this->productCompareHelper->calculate();
                 }
             }
         } catch (LocalizedException $exception) {

app/code/Magento/CompareListGraphQl/Model/Resolver/RemoveProductsFromCompareList.php

@@ -7,10 +7,12 @@
 
 namespace Magento\CompareListGraphQl\Model\Resolver;
 
+use Magento\Catalog\Helper\Product\Compare;
 use Magento\Catalog\Model\MaskedListIdToCompareListId;
 use Magento\CompareListGraphQl\Model\Service\Customer\GetListIdByCustomerId;
 use Magento\CompareListGraphQl\Model\Service\GetCompareList;
 use Magento\CompareListGraphQl\Model\Service\RemoveFromCompareList;
+use Magento\Framework\App\ObjectManager;
 use Magento\Framework\Exception\LocalizedException;
 use Magento\Framework\GraphQl\Config\Element\Field;
 use Magento\Framework\GraphQl\Exception\GraphQlInputException;
@@ -44,22 +46,31 @@ class RemoveProductsFromCompareList implements ResolverInterface
      */
     private $getListIdByCustomerId;
 
+    /**
+     * @var Compare
+     */
+    private mixed $productCompareHelper;
+
     /**
      * @param GetCompareList $getCompareList
      * @param RemoveFromCompareList $removeFromCompareList
      * @param MaskedListIdToCompareListId $maskedListIdToCompareListId
      * @param GetListIdByCustomerId $getListIdByCustomerId
+     * @param Compare|null $productCompareHelper
      */
     public function __construct(
         GetCompareList $getCompareList,
         RemoveFromCompareList $removeFromCompareList,
         MaskedListIdToCompareListId $maskedListIdToCompareListId,
-        GetListIdByCustomerId $getListIdByCustomerId
+        GetListIdByCustomerId $getListIdByCustomerId,
+        ?Compare $productCompareHelper = null
     ) {
         $this->getCompareList = $getCompareList;
         $this->removeFromCompareList = $removeFromCompareList;
         $this->maskedListIdToCompareListId = $maskedListIdToCompareListId;
         $this->getListIdByCustomerId = $getListIdByCustomerId;
+        $this->productCompareHelper = $productCompareHelper ?: ObjectManager::getInstance()
+            ->get(Compare::class);
     }
 
     /**
@@ -111,6 +122,7 @@ public function resolve(
 
         try {
             $this->removeFromCompareList->execute($listId, $args['input']['products']);
+            $this->productCompareHelper->calculate();
         } catch (LocalizedException $exception) {
             throw new GraphQlInputException(
                 __('Something was wrong during removing products from compare list')